Jeep TSB #21-034-20

2020 Jeep Gladiator

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following condition:A loud whistle noise upon engine start up.

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Date Published
APR 25, 2020
NHTSA TSB #
10175739
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